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Home >> Chevrolet >> 2020 >> Malibu LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 103 (Antilock Brake System - Hybrid (Hp4)) >> Diagnostic Information and Procedures >> DTC C052B, C052D, C052F, C055B, or C05AE >> Circuit/System Description

Circuit/System Description

WARNING: This page is about a different car, the 2019 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.

For an overview of the component/system, refer to:ABS Description and Operation

Circuit Description
B+ - Terminal 1 The output circuit is switched from ground to 12 V to activate the component.
Ground - Terminal 14 Grounded through the control module.
Component Description
Q5 Brake Pressure Modulator The brake pressure modulator has several solenoid valves and an electric pump to increase or decrease the hydraulic brake pressure for each wheel independently.
K17 Electronic Brake Control Module The control module K17 can increase and decrease the brake pressure on all 4 wheels individually in order to fulfill these functions:
  • Antilock Braking
  • Traction Control
  • Vehicle Stability Control

The control module K17 can also influence the following control modules to limit the amount of produced torque:
  • K20 Engine Control Module
  • K71 Transmission Control Module